diff --git a/Dockerfile b/Dockerfile
index 2873683..010d61c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -138,7 +138,7 @@ RUN curl -sSL https://www.sqlite.org/2024/sqlite-autoconf-$SQLITE_VER.tar.gz | t
 # See https://github.com/sgrif/pq-sys/pull/18
 ENV PATH=/root/.cargo/bin:$PREFIX/bin:$PATH \
     RUSTUP_HOME=/root/.rustup \
-	CARGO_BUILD_TARGET=x86_64-unknown-linux-musl \
+    CARGO_BUILD_TARGET=x86_64-unknown-linux-musl \
     PKG_CONFIG_ALLOW_CROSS=true \
     PKG_CONFIG_ALL_STATIC=true \
     PQ_LIB_STATIC_X86_64_UNKNOWN_LINUX_MUSL=true \
diff --git a/test/dieselpgcrate/Cargo.toml b/test/dieselpgcrate/Cargo.toml
index 98ff2e7..da90411 100644
--- a/test/dieselpgcrate/Cargo.toml
+++ b/test/dieselpgcrate/Cargo.toml
@@ -4,5 +4,5 @@ name = "dieselpgcrate"
 version = "0.1.0"
 
 [dependencies]
-diesel = { version = "1.4.*", features = ["postgres"] }
+diesel = { version = "2.1.*", features = ["postgres"] }
 openssl = "*"
diff --git a/test/dieselpgcrate/src/main.rs b/test/dieselpgcrate/src/main.rs
index 880e00a..ef54577 100644
--- a/test/dieselpgcrate/src/main.rs
+++ b/test/dieselpgcrate/src/main.rs
@@ -1,51 +1,52 @@
 // The order of these extern crate lines matter for ssl!
 extern crate openssl;
-#[macro_use] extern crate diesel;
+#[macro_use]
+extern crate diesel;
 // openssl must be included before diesel atm.
 
 mod schema {
-  table! {
-      posts (id) {
-          id -> Int4,
-          title -> Varchar,
-          body -> Text,
-          published -> Bool,
-      }
-  }
+    table! {
+        posts (id) {
+            id -> Int4,
+            title -> Varchar,
+            body -> Text,
+            published -> Bool,
+        }
+    }
 }
 
 mod models {
-  use schema::posts;
-  #[derive(Queryable)]
-  pub struct Post {
-      pub id: i32,
-      pub title: String,
-      pub body: String,
-      pub published: bool,
-  }
+    use schema::posts;
+    #[derive(Queryable)]
+    pub struct Post {
+        pub id: i32,
+        pub title: String,
+        pub body: String,
+        pub published: bool,
+    }
 
-  // apparently this can be done without heap storage, but lifetimes spread far..
-  #[derive(Insertable)]
-  #[table_name="posts"]
-  pub struct NewPost {
-      pub title: String,
-      pub body: String,
-  }
+    // apparently this can be done without heap storage, but lifetimes spread far..
+    #[derive(Insertable)]
+    #[diesel(table_name = posts)]
+    pub struct NewPost {
+        pub title: String,
+        pub body: String,
+    }
 }
 
-use diesel::prelude::*;
 use diesel::pg::PgConnection;
+use diesel::prelude::*;
 
 fn main() {
     let database_url = std::env::var("DATABASE_URL")
-      .unwrap_or("postgres://localhost?connect_timeout=1&sslmode=require".into());
+        .unwrap_or("postgres://localhost?connect_timeout=1&sslmode=require".into());
     match PgConnection::establish(&database_url) {
-      Err(e) => {
-        println!("Should fail to connect here:");
-        println!("{}", e);
-      }
-      Ok(_) => {
-        unreachable!();
-      }
+        Err(e) => {
+            println!("Should fail to connect here:");
+            println!("{}", e);
+        }
+        Ok(_) => {
+            unreachable!();
+        }
     }
 }
diff --git a/test/dieselsqlitecrate/Cargo.toml b/test/dieselsqlitecrate/Cargo.toml
index 7a1774d..266daf3 100644
--- a/test/dieselsqlitecrate/Cargo.toml
+++ b/test/dieselsqlitecrate/Cargo.toml
@@ -4,4 +4,4 @@ name = "dieselsqlitecrate"
 version = "0.1.0"
 
 [dependencies]
-diesel = { version = "1.4.*", features = ["sqlite"] }
+diesel = { version = "2.1.*", features = ["sqlite"] }
diff --git a/test/dieselsqlitecrate/src/main.rs b/test/dieselsqlitecrate/src/main.rs
index 2407295..448479f 100644
--- a/test/dieselsqlitecrate/src/main.rs
+++ b/test/dieselsqlitecrate/src/main.rs
@@ -2,33 +2,33 @@
 extern crate diesel;
 
 mod schema {
-  table! {
-      posts (id) {
-          id -> Int4,
-          title -> Varchar,
-          body -> Text,
-          published -> Bool,
-      }
-  }
+    table! {
+        posts (id) {
+            id -> Int4,
+            title -> Varchar,
+            body -> Text,
+            published -> Bool,
+        }
+    }
 }
 
 mod models {
-  use schema::posts;
-  #[derive(Queryable)]
-  pub struct Post {
-      pub id: i32,
-      pub title: String,
-      pub body: String,
-      pub published: bool,
-  }
+    use schema::posts;
+    #[derive(Queryable)]
+    pub struct Post {
+        pub id: i32,
+        pub title: String,
+        pub body: String,
+        pub published: bool,
+    }
 
-  // apparently this can be done without heap storage, but lifetimes spread far..
-  #[derive(Insertable)]
-  #[table_name="posts"]
-  pub struct NewPost {
-      pub title: String,
-      pub body: String,
-  }
+    // apparently this can be done without heap storage, but lifetimes spread far..
+    #[derive(Insertable)]
+    #[diesel(table_name = posts)]
+    pub struct NewPost {
+        pub title: String,
+        pub body: String,
+    }
 }
 
 use diesel::prelude::*;
diff --git a/test/pqcrate/Cargo.toml b/test/pqcrate/Cargo.toml
index 75ba625..6241052 100644
--- a/test/pqcrate/Cargo.toml
+++ b/test/pqcrate/Cargo.toml
@@ -4,5 +4,5 @@ name = "pqcrate"
 version = "0.1.0"
 
 [dependencies]
-pq-sys = "0.4.5"
+pq-sys = "0.5"
 openssl = "*"